不同色板对柑橘园蓟马的诱集效果及蓝板的诱捕效果
The attractiveness of different colors to thrips in citrus orchards and the trapping effect of blue sticky card
于法辉1** ,夏长秀2 ,李春玲3 ,张宏宇1***
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DOI：
作者单位：1.华中农业大学城市与园艺昆虫研究所 武汉 430070; 2. 江西省赣州市柑桔科学研究所 赣州 341000;
中文关键词：柑橘, 蓟马, 色板, 诱集力, 诱捕效果
英文关键词：citrus, thrips, color sticky card, attractiveness, trapping effect
中文摘要：
通过对黄色、蓝色、深蓝色、白色、红色、绿色、紫色、灰色、黑色和粉红色10种不同颜色色板对柑橘园蓟马的诱集效果的比较试验表明，柑橘园蓟马对蓝色和深蓝色色板趋性最大，与其它8种颜色色板之间有着极显著差异(P<0.01)。蓝色色板对蓟马在东南西北4个不同方位中的诱捕作用研究表明，南面方位诱集的蓟马数量最多，与西、北两个方位之间有着显著差异（P<0.05）。当平均株高为220 cm时，挂板高度分别为60、120、180和240 cm，高度为120 cm时诱集的蓟马数量最多，与其它3个高度之间存在显著差异。色板间距分别为2、3、4和5 m时，结果表明间距为4 m和5 m时每板诱集的蓟马数量较多，与其它间距之间有着显著差异。从上午8点到下午6点每间隔2 h的5个时间段中，各时间段之间没有显著差异。在蓝色色板的小区防治试验中，在挂板3、6和12 d后，诱捕效果分别达到41.5%，53.9%和37.7%。
英文摘要：
The attractiveness to thrips of 10 types of colored sticky cards: yellow, blue, blue-deep, white, red, green, purple, gray and pink, was investigated in citrus orchards. Thrips significantly preferred blue and deep-blue cards to the other eight colors (P<0.01). Results on the effect of aspect on the trapping efficiency of blue cards indicated that significantly more thrips were trapped on sounthern cards than those on cards located to the west and north (P<0.05). Significantly more thrips were trapped by cards placed at 120 cm above ground level than those placed at 60, 180 and 240 cm. Significantly more thrips were trapped on cards spaced at intervals of 4 and 5 m than on cards spaced at intervals of 2 and 3 m. There was no significant difference in the number of thrips trapped in each of 5 consecutive 2-hour periods from 8 am to 6 pm. Plot experiments indicate that the control effect of blue sticky cards after 3, 6 and 12 days was 41.5%, 53.9% and 37.7% respectively.